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Simplify 15/42
15/42 simplified is 5/14 = 0.3571. Free fraction calculator with GCD and decimal conversion.
5/14 = 0.3571
GCD of 15 and 42 is 3. Simplified: 15/3 / 42/3 = 5/14 = 0.3571
How This Was Calculated
Simplification: Divide numerator and denominator by their GCD.
Addition: a/b + c/d = (ad + bc) / bd
Subtraction: a/b - c/d = (ad - bc) / bd
Multiplication: a/b × c/d = ac / bd
Division: a/b ÷ c/d = ad / bc
Quick Reference Table
| Input | Result |
|---|---|
| 15 / 37 | 15/37 = 0.4054 |
| 15 / 40 | 3/8 = 0.3750 |
| 15 / 41 | 15/41 = 0.3659 |
| 15 / 43 | 15/43 = 0.3488 |
| 15 / 44 | 15/44 = 0.3409 |
| 15 / 47 | 15/47 = 0.3191 |
Frequently Asked Questions
What is a fraction?
A fraction represents a part of a whole, written as numerator/denominator.
How do I simplify fractions?
Divide both numerator and denominator by their greatest common divisor.
Can I add fractions with different denominators?
Yes, the calculator handles common denominators automatically.